The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 02, 2001

Filed:

Dec. 23, 1998
Applicant:
Inventors:

Fuyuhiko Kubota, Ohtsu, JP;

Masahiko Fukushima, Ohtsu, JP;

Makiko Koyama, Ohtsu, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 6/00 ; C08G 6/300 ; C08G 6/926 ;
U.S. Cl.
CPC ...
C08F 6/00 ; C08G 6/300 ; C08G 6/926 ;
Abstract

A method for producing polybenzazole in the presence of iron(II) ion. The polybenzazole obtained by this method can be formed into a highly strong fiber having a high elastic modulus and a heat resistant film. The method enables economical production of polybenzazole having fine tone and high polymerization degree.


Find Patent Forward Citations

Kubota, Fuyuhiko. (2001). Method for producing polybenzazole (U.S. Patent No. 6169165). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6169165

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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